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In this activity, learners make their own pinhole viewer in order to measure the size of the sun.

In this outdoor activity linking human health to the environment, learners use their pulse rates as a measure of the effort expended in walking on different slopes.

In this activity, learners will make their own prism and use a glass of water to separate sunlight into different colors.

In this outdoor activity, learners discover how the environment around a building affects the growth of plants.

In this activity, learners make their own Sun tracker to explore how ancient civilizations around the world studied the Sun.